Pipe-coupling.



.UNITED STATES PATENT OFFICE.

WILLI Il. B'IODDARD. 0l NXIIWILIM. MAllliAtlll'ilmS.

nfl-OOVMG.

u. 000,0. indium u um ment. nonni an. 1i, tooo.

im ini my ii. im. nu l. sinn.

Tool! when it may Meern' I es er her-inning los or tlw joint impaired lle it known that Lwtnmlm ll. Hrmnmnn, l n vitinn of the vlnitml Stanton. lwiiling nt f Merville in the roanty of Michlhwx and l iimm'hnwtts. inw inwntml ont tum new incl nwfnl lmpro'wnwnt's in li tonplinpt: imi l lo lwwhy deviare the` ollowing to he i nll. fleur. und oxict. leneri i tion of tlul invention. snch ns will onnhe other skilled in the nrt to which it appertnins to multe intl nse tho sono. t

lln` invention relatos to ipe union or wmplinp, :intl moril rspwinl y to coupling i in which i pivltimr ring or sent is prrnnh l ol"lh` vonplitlg. 'l'lso object of tlwinwntion in to provnh' n I vonpling in which the sont rin in m'nred in piave in sovh nntnner thit tie joint will no: hv injnrimmly itlecteil. hy the expinsion mul vontrm'timi of the two li'eront metals i nl' which (he nent und rt in which it is mimi nro formed. tnnrthit n tight oint will hr secured nnder ill conditions im nng. i iler pressures which thennions is heretofore constructed oro nni'hle to resig. I l ln mvonlinre with tlw principii fentorv e otthe lnyentiim, nn innnhgr regcfiriyginY foi'nnfil in i vonplingz tnetnher. the hottotn of whi'h;

i-. mwhleii with n hnnm'l hiring unlmtnntin ly parallel wnll. nml lin` m'nt rnz is ,zrorich-l with i tongne lifting within t n 'dinnnrl. compiritivel thin tongno on: the wut. `ring' in thnnllh'm y vhold hotwwn tho wnlli nf thel channel, nml i rolinhln nn'il ollii viunt joint lwtweon the ring! nml vonplimz nwmher in provided. 'lhv ring pronom on mnplo wit 'iron for tho voli ruling eonpling |nen\ber,'while bein irioly anni .o .-nrely nnitcd to the eonp mgmt-mlm' hy .n

vvonipiritively thin nnnniufx containing nv tina is it oxpindi ind contricti, with i. rciul ng decreiii in'thi.chinc e of the ring ring. 'lhi rib will thus he moved with the l nmler vxtrennvhnngi of tnmlwmtnnnml nnohn' nnnsnnl vomhttonn.

'lhe invention willhcntnhnmtmul frntn in As shown ln the drawing tho conplinginwhit'h tln' invention is rniliodiecl in of the "nnion" type nncl is proviclml with n sont ring! in the femnle'memlwr only. In this con ling the mile member A is rovhled wit i i eonieil or-conyex fiei il in iptml to 'r engife nml llt .tho vonnil nr t-onoiw muffin C o the sont `ring D. Tho wat rinr is formed of the nsnnl lnml non-eorri ihle *lnctnl mnh oit-hmm orlminzn. The mit ring vin-llttetl within nn onnnhnI ivi-m formed in the enti of the femilo nn'mher E of the conplingrlwingz tightly drivin, or rvs-ml in no t tient it is gwrnmnontly nnitetl with the fenmlo :na-Inhor, v Y Y 'lho MN within thcl lvnnilv momlwr--of lin' tmtplitig ntltml'l lnntnlly l'tum litt' llora of tho nnnihor nml hnvytnalinnlly inwiril from theeml of the menilmgnml tho ent ring trrvfvl'nllv w wfvvmti'm-"l tlwrvitwlv: tnntinlly lilln tin' www, tho horn of the. ring' livin of mlmtnntinlly tlw mm liilnetel' ns t w how of tinl mnpling.' mvlnlwr, nml forming.: o pnt'l of ihn imma' ott-fsw of the wmlilin'nit-mlm'. l Y

'l ho ottoni of tha rccennin the coupling mvmlwr is proviilod with n narrow ehinnel .It it# ontw' wlw, tha wnllu of whim iro mh' n Muntinlly |mrnllvl. Uno wull of thc chinml is formml h v tln mntinnntimi of thoontor wnll of thv www. ind the inner will vf thv clnnnnl is fornnnl b 'the ontcr will' of nn nnnnlnr rih F. The Inner will'of the rh l-` is, in tho form 'showin nnhsnnntinllv pnrnllvl with thv ootvr will, ind ii ontnicio tin horn-of the coupling nnnnbor. The innvr ml of tho sont .ring ii providvd on its onter agro with n compnri'tivoly think tongna which ts tightly within-the chinnel in'i :ic-nts npon the bottom of tho'chinnol. 'lho sont ring is ilnol provitletlwith n llnngiol' longno which lits'l" htly n ind.' the inner will -of the ril) F. ith t is construction tho sont ring und mailing nn'nilur in! lirlnly und elcclivrly n'nit i prone-t i'tight joint whilchlwql not hecolnie loisoor defective unter ngi irmirre. .nn vnn cr vi in teniporiturea. lla" ongno onthc ingr gni of` welll o thun become loimenetl when' vexpanded nml.

mntrarted b y'I'he tongue, ing. compnratively t in, containa but littlt` inetiil compared fare area which acta position, and therefore the expansion nnd y, out I ipped between tbe int econ substantially parallel,

out of the channel, and

variations in tein rrature.

with vthe. iiurto retain the ring in contraction in einall and not npt to canne injur mui mcy ' alan embraced und *ill mOve wi and contracts, thua increaaii of the joint. With tlu` inner au formed lluahiuemierqno coup ing ia joint. between their lar an tiglitneiia of the Qoint. the formbof 'oint or loosening of the'jont. orm of theA contacting nur( area, also contribute to the elliciprovided with a the ne ueual manne ile I rface of The tortuareii, and

y own' the rib F is t ey metal of the scat rin "th the ring as it ex lan a the i'elia ility thin conatruction alao Marlins at. this point ia i u. m ii shoulder o and the of onthe.

have shown the invention iin-fY bodied in a uplinsiiilidwhlch tbe meinbera or tliatbotliA meinberiijof the vided with aeat ringe. ained ae one 'foi-ln of A ein ied, what I claim ia:-

tical ipe coupling lcglililipriaing .carina of the coupli 'are b a nut," and in which female nidnber onli in ro- -40 `vlileil wltba aaat ring, it will be un ev that the invention may belnbodied with advanta'ge in other forma o! cou lin, lfui loance, aa lange uniona, an it will allo be iindaratood that tho aeat ring ma al 'saluted in either member 0f tbl andineanaor .aiecaalinonemmplng member;

for the tongue to be' the neat Vring may hewith'the bore of the coupling that the inner surface o tbe substantially unbroken at the the i the l and thun the danger of corroaion or inlurious action upon the joint reduced to ar minimum.

'The male member A ia manne l member end inward "ffii cou ling member, a

' h crprovided with n channel having substantially parallel cylindricalwalla, and ametal mit ri tiingirithin-said and pro vided with a tongue fitting t' h tly in aaid i-hnnnel,iuilislanlinlly nndescri d.

2. 'A pipe coupling comprising n metallic coupln member, an annular recrm extending `rut `ially outward from the bore o! the vfrom the cud of the achannel in the bottom of the re ita outcr edge havi substantially parallel cylindrical walla, an a metal seat iltting ufithin'the reces! and provided an annular tongue llttin tightly bef tween the walla and inst t e bottoni of the channel, substantie y aa described.

3. A pipe coupling com rising n metallic couplin member, nn nnnu nr recess extending ra ially outward from the vbone ofthe member and inward from the end of the member,

,mcmbci-achnnnel in the bottom of the re- "ceal' at. -ita' outer edge havin aubatantinlly an annular n between the' e bore of the coupling meinberyand a-metal neat ring fitted within mid recess and provided with a tongue'tltting tightly between the walls and ii amst the bottom of the channel, and with a a e littiniz againnt the inner aide of the ril. su ntantially'ns described. v

4,. A pipe coupling com rising a metallic couplin member, an annu ar recess extendingra ially outward from the bore of the member and inward from the end of the member a channel in the bottom of the re cuan at lta vouter edge having aubatantinll arall'el lindrlcal walla, an annular ri wejen t e'channel' and the" bore'ofthe v aeat'ring wit ln laid recent and provided with a tongue lltting tightly between the walla of ar'allel wall Ehannel and :it

the inner aida o! the rib, a concave neat on fitting' Oli the ring, a coupling( member provided with n convex face engaging naid scat, und menne for necnrin thul couplin niembi-.rs together, imbdvanti y aa'deacri l In teatiinon whereof I in presence o two witnees. y

WILLIAM Il. STODDARD.

Witneeeea: I

v Ina L. Fien,

" Aiutni C. Riciiaaneou.

allix my signatur, 

